Reported or indirect speech is usually used to talk about the past, so we normally change the tense of the words spoken. We use reporting verbs like 'say', 'tell', 'ask', and we may use the word 'that' to introduce the reported words. Inverted commas are not used.
In simple words, a particular bacterial culture that is contaminated indicates the presence of other types of bacteria in that culture. In contrast, mixed culture indicates a culture or medium where two or more than two types of bacteria with different strains and species are present.
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I believe I've had this, and I think I chose A
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Explanation:Glucoce is a carbohydrate.
Well the spread of diseases is caused by bacteria.These one-cell organisms are responsible for illnesses such as strep throat urinary tract infections and tuberculosis.Viruses even smarter than bacteria viruses cause a multitude of diseases from the common cold to aids like fungi and parasites.